MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address


Green Instruments A/S

Unique prefixes: 2

Block Size: 8190 (8.19 k)

First registration: 15 March 2012

Last updated: 17 May 2019


IAB: Individual Address Blocks. Number of address 2^24 (~16 Million)

MA-S: Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)

MAC PrefixTypeRegistration Date